bjoernager/rust
bjoernager/rust
1
Fork 0
Code Issues Pull requests Activity

add -Z soft-float option

Browse source 
This change adds -Z soft-float option for generating
software floating point library calls.
It also implies using soft float ABI, that is the same as llc.

It is useful for targets that have no FPU.
This commit is contained in:
Jyun-Yan You 2013-09-30 13:20:52 +08:00
parent 80b6056f5d
commit 350b5438cd
5 changed files with 14 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

7
src/rustllvm/PassWrapper.cpp
View file

@ -67,7 +67,8 @@ LLVMRustCreateTargetMachine(const char *triple,
CodeModel::Model CM,
Reloc::Model RM,
CodeGenOpt::Level OptLevel,
bool EnableSegmentedStacks) {
bool EnableSegmentedStacks,
bool UseSoftFloat) {
std::string Error;
Triple Trip(Triple::normalize(triple));
const llvm::Target *TheTarget = TargetRegistry::lookupTarget(Trip.getTriple(),
@ -84,6 +85,10 @@ LLVMRustCreateTargetMachine(const char *triple,
Options.FloatABIType =
(Trip.getEnvironment() == Triple::GNUEABIHF) ? FloatABI::Hard :
FloatABI::Default;
Options.UseSoftFloat = UseSoftFloat;
if (UseSoftFloat) {
Options.FloatABIType = FloatABI::Soft;
}
TargetMachine *TM = TheTarget->createTargetMachine(Trip.getTriple(),
cpu,